Category: JavaScript

Share values with named/default exports and imports.

Compare require/module.exports with import/export.

Install and manage libraries with npm/yarn/pnpm.

Model async success/failure with Promise states and then/catch.

Write asynchronous code that looks synchronous with async/await.

Make HTTP requests with fetch and Response helpers.

Understand AJAX as async server communication without full page reloads.

Integrate REST endpoints with clear client modules and error handling.

Use GET/POST/PUT/PATCH/DELETE correctly from the browser.

Work with Date objects and modern alternatives (Temporal where available).